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;;; bindat-tests.el --- tests for bindat.el -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Code:
(require 'ert)
(require 'bindat)
(require 'cl-lib)
(defvar header-bindat-spec
'((dest-ip ip)
(src-ip ip)
(dest-port u16)
(src-port u16)))
(defvar data-bindat-spec
'((type u8)
(opcode u8)
(length u16r) ;; little endian order
(id strz 8)
(data vec (length))
(align 4)))
(ert-deftest bindat-test-pack ()
(let* ((packet-bindat-spec
'((header struct header-bindat-spec)
(items u8)
(fill 3)
(item repeat (items)
(struct data-bindat-spec))))
(struct
'((header
(dest-ip . [192 168 1 100])
(src-ip . [192 168 1 101])
(dest-port . 284)
(src-port . 5408))
(items . 2)
(item ((data . [1 2 3 4 5])
(id . "ABCDEF")
(length . 5)
(opcode . 3)
(type . 2))
((data . [6 7 8 9 10 11 12])
(id . "BCDEFG")
(length . 7)
(opcode . 4)
(type . 1))))))
(should (equal
(cl-map 'vector #'identity (bindat-pack packet-bindat-spec struct))
[ 192 168 1 100 192 168 1 101 01 28 21 32 2 0 0 0
2 3 5 0 ?A ?B ?C ?D ?E ?F 0 0 1 2 3 4 5 0 0 0
1 4 7 0 ?B ?C ?D ?E ?F ?G 0 0 6 7 8 9 10 11 12 0 ]))))
;;; bindat-tests.el ends here
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